Update upcoming_hackathons.yml

Author: DCGenomics

_data/upcoming_hackathons.yml

@@ -14,8 +14,8 @@
   community access:  
 
 - date: "October 19-21, 2023"
-  loc: "Save the date: Data Management and Extraction for Large Learning Models at Carnegie Mellon"
-  link: 
+  loc: "Data Management and Extraction for Large Learning Models at Carnegie Mellon"
+  link: https://www.library.cmu.edu/about/news/2023-08/hackathon-2023
   community access:  
 
 - date: "October 30-November 3, 2023"